Quarterly Journal of Conchology. 



Doubtful Species. 



Antonoe riparia ?... Auricula pellucens. 

 Stenogyra coronata, G. 

 Pupa auriformis, G. 



For a fuller account of the distribution of the land and freshwater 

 mollusca of Trinidad see Proc. Zool. Soc, 1875. p. 318. 



A CATALOGUE OF THE MOLLUSCA FOUND IN THE 

 NEIGHBOURHOOD OF HEIDELBERG, GRAND DUCHY 

 OF BADEN. 



By JOHN E. DANIEL. 



Upwards of fifty years ago a friend told me as,' a 

 boy of few years to find him a snail that went the wrong 

 • way, meaning a sinistral form, and the hecatombs that I 

 slaughtered in this search is something awful to think of, 

 now that I am a greyheaded old man, but always fond as I was 

 of collecting objects of Natural History, this may have laid 

 the foundation of what became at one period of my life a 

 perfect mania, and of all branches of Conchology, the land 

 and freshwater shells have had a special hold on me, and 

 although I cannot for one moment claim an accurate or 

 scientific knowledge, for some years I was an indefatigable 

 collector, and when I went to reside in Germany for a period, 

 it absorbed my whole attention from the fact that I had 

 little else to occupy my mind. I fear that the following 

 catalogue may be to a great extent imperfect, more especially 

 as it is now 14 or 15 years since my return to England, 

 and I have mislaid, lost and given away many of my notes 

 and specimens, nevertheless I hope it may be of some slight 

 use and interest to those readers of the "Q.J.C." who may chance 

 to visit this remarkably beautiful and interesting district. At the 

 time I laboured under many difficulties, I did not speak the lan- 

 guage, I was a complete neophyte in tha science, having only col- 



